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Alka Nair

MathWorks

Attivo dal 2014

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Risposto
How can I read a .json file?
fname = 'meta_Electronics.json'; fid = fopen(fname); raw = fread(fid,inf); str = char(raw'); fclose(fid); val = jsond...

circa 7 anni fa | 21

| accettato

Risposto
ROC of multiclass classification in MATLAB
Hi, The PERFCURVE function can be used to plot the ROC for AdaBoostM2. Please see the documentation of function PREDICT, to...

oltre 9 anni fa | 1

Risposto
Adding proper label names to confusion matrix created with plotconfusion function:
Hi, >> p = plotconfusion(t,y) gives a figure object p which has 2 children , one is uicontrol and the other is axis. By ...

oltre 9 anni fa | 1

| accettato

Risposto
How to plot a polygon in real time using the coordinates I receive from a gps receiver?
Hi, Please refer to the MATLAB File Exchange submission in the following link: http://uk.mathworks.com/matlabcentral/file...

oltre 9 anni fa | 0

| accettato

Risposto
Plot a Time Serie of the price of a share
You can use time Series Objects to plot time series data. Please refer to the documentation at the following page: http://in....

oltre 9 anni fa | 0

Risposto
I bulit my first LSF cluster, now I need to add matlab to it
The page in the below mentioned link explains configuring cluster for platform LSF: http://in.mathworks.com/help/mdce/co...

oltre 9 anni fa | 0

Risposto
Generate binary image of geometric shapes?
Hi, For generating geometric shapes in binary images use STREL to create the structuring element, for example, suppose you ...

oltre 9 anni fa | 2

Risposto
I have a problem with setup about "c++ to use matlab"
Hi, mex -setup takes a language setting only from MATLAB 8.4(R2014a). Please refer to the following release notes: http:/...

oltre 9 anni fa | 0

Risposto
Interpolation between three sets of data
Hi, Interpolation can also be done for multidimensional data. Please refer to the documentation page for INTERP2 and INTERP...

oltre 9 anni fa | 0

Risposto
why do i get the segmentation error while running a mex file? how do i solve this?
Hi, Please see the debugging steps mentioned in the following page: http://www.mathworks.com/matlabcentral/answers/97261-...

oltre 9 anni fa | 1

Risposto
How to crop image containing number on license plate?
Hi, You could use the function IMCROP to crop images. Its an interactive tool in which you can use resizable rectangles to d...

oltre 9 anni fa | 0

Risposto
How to use mvnrnd function ?
The documentation of MVNRND suggests that the syntax is >> r = mvnrnd(MU,SIGMA,cases) and r = mvnrnd(MU,SIGMA,cases) returns...

oltre 9 anni fa | 0

| accettato

Risposto
Where can I find this model
Hi Yujia, Both the models that you have mentioned are available in MATLAB 8.2(R2013b) and they are available in Matla...

oltre 9 anni fa | 0

Risposto
Run Queue of Operations in Parallel
Hi Royi Avital, The BLOCKPROC function from the Image Processing Toolbox processes the images by applying the function ...

oltre 9 anni fa | 0

Risposto
Help with saving a .txt file
Use FSCANF function to read data from text file to MATLAB. Please refer to the following link to find information on FSCANF: ...

oltre 9 anni fa | 0

Risposto
webcam support problem - on windows xp system
I understand that you are getting an error using the webcamlist command in the command window. The Webcam feature uses Media Fou...

oltre 9 anni fa | 0

| accettato

Risposto
How to convert results in table format?
I understand that you would like to convert the arrays to table. Please refer to the following documentation for ARRAY2TABLE at:...

oltre 9 anni fa | 0

| accettato

Risposto
how to calculate the AUC of a classifier
I understand that you would like to know how to find the Area under the Curve for ROC using MATLAB. If you have the true positiv...

oltre 9 anni fa | 0

Risposto
Compare two image with different size
I understand that you would like to compare two images of different size. Please refer to the documentation of IMSHOWPAIR at the...

oltre 9 anni fa | 0

| accettato

Risposto
SVM classification for satellite image
You could refer to the following link in documentation to understand how to perform classification using SVM in MATLAB: http:...

oltre 9 anni fa | 0

Risposto
"Error using quiver"???
When the input argument to DOUBLE function is a symbolic expression, MATLAB will output the error message you received. In t...

quasi 10 anni fa | 0

Risposto
creating a custom color map
The 'colormapeditor' helps in displaying the current figure's colormap and customizing it. To find more information about colorm...

quasi 10 anni fa | 1

Risposto
Fitting Tool or Time Series Tool
I understand that you would like to predict housing prices based on a data set that you already have. If the data is time depe...

circa 10 anni fa | 0

| accettato

Risolto


Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

oltre 10 anni fa

Risolto


Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

oltre 10 anni fa

Risolto


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

oltre 10 anni fa

Risolto


Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

oltre 10 anni fa

Risolto


Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

oltre 10 anni fa

Risolto


Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

oltre 10 anni fa

Risolto


The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

oltre 10 anni fa

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